Research Perspectives · Positioned4Success™
Executive Overview · October 2026

The Case for Intentional Leadership Development: What the Evidence Supports, What It Does Not, and How to Prove It

A synthesis of three white papers for CEOs, COOs, CFOs and people leaders deciding whether and how to invest.

Prepared for
CEO, COO, CFO, CHRO, VPs of HR, HR directors
Author
Dr. Kelvin Thomas, EdD, MBA, PCC, NLP, CBTP, EL-MP
POSITION Consultants, LLC
Evidence reviewed
October 23, 2026 · 16 sources · 7 min read

Scope. POSITION and Positioned4Success are research-informed proprietary approaches. Cited studies support relevant principles and practices; they do not independently validate the complete methodology, platform or proprietary assessments. Reported study results are not P4S customer results or guarantees of comparable outcomes.

At a glance

  • The need is large. Gallup estimates low engagement cost the world economy about $10 trillion in 2025, and manager engagement fell to 22%, nine points below 2022. [1]
  • Coaching works on average. Randomized-trial evidence shows a moderate effect (g = 0.59), with publication bias and self-report limits noted by the authors. [2]
  • Design decides results. Ownership, a strong coach relationship, specific if-then practice, progress monitoring and attention to work context each have research support. Feedback reports alone produce small gains. [3]
  • Financial value has been documented in particular settings and has not been shown to be universal. The responsible path is a pilot with a baseline, a comparison and a CFO-verified measure.

SummaryThe case in four claims

Leadership capability is a business variable. The research supports investing in professional coaching when it is designed around how leaders actually change, and when the organization plans to test the result. This paper links the three POSITION white papers into one argument and states plainly where the evidence stops.

  1. The need is real and measurable. Engagement, manager quality and the follow-through on development spending are all weak points in many organizations.
  2. Coaching has earned a place. Randomized and quasi-experimental evidence supports positive average effects on leader behavior and goal attainment.
  3. Design is the difference. Ownership, relationship, specific practice, progress monitoring and context each have research support. Insight and feedback alone do not carry change.
  4. Value can be tested. With a baseline, a verified measure and honest attribution, a CFO can see whether the investment paid back.

The strongest position is not that the evidence proves the method. It is that the method is built on principles the evidence supports, and that the organization can verify the result in its own data.

Claim 1The need: leadership quality is a business risk

Gallup · State of the Global Workplace 2026

Global employee engagement fell to 20% in 2025, the lowest since 2020. Gallup estimates the cost of low engagement at about $10 trillion, or roughly 9% of global GDP. Manager engagement fell to 22%, a nine-point drop since 2022, and Gallup notes managers are increasingly only as engaged as their teams. In best-practice organizations, 79% of managers were engaged. {[1]}

Limits. Survey-based estimates. Gallup’s cost figure is a modeled estimate of lost productivity, not an audited financial number.

Gallup · State of the American Manager

Gallup estimates that managers account for at least 70% of the variance in engagement scores across business units. {[4]}

Limits. A variance attribution from Gallup’s own analysis, published in 2015. It describes where engagement differences sit, not what a development program will change.

The problem is not a shortage of spending. A meta-analysis of leadership training notes that a majority of training budgets go to leadership training while only a small minority of organizations believe their programs are highly effective. [5] The gap is between activity and results, which is why this paper stresses design and measurement.

Insight does not close that gap by itself. After multisource (360) feedback, improvement in ratings is generally small. [3] White Paper 03 explains why: motivation, confidence, relationships and context all shape whether a leader tries a new behavior under pressure.

Claim 2Coaching has earned a place in the portfolio

Coaching effectiveness at a glance
SourceDesignFinding
de Haan & Nilsson, 2023 [2]37 RCTs, n = 2,528Moderate pooled effect (g = 0.59). Publication bias and larger self-reported effects noted.
Theeboom et al., 2014 [6]Meta-analysis, five outcome typesPositive effects, g = 0.43 (coping) to 0.74 (self-regulation).
Jones et al., 2016 [7]Meta-analysis, k = 17Positive overall effect on organizational outcomes (δ = 0.36). No difference by coaching format.
Nicolau et al., 2023 [8]Meta-analysis, 20 RCTsStronger effects on behavior than on attitudes; significant effects on self-efficacy and resilience.

These reviews overlap in the studies they include, so they are not independent replications. Their combined message is that coaching is worth including, and that evaluating more than satisfaction is part of using it well.

Claim 3Design is the difference: five principles and how they map to the experience

Positioned4Success describes its path as assess, focus, coach, practice and measure. Each step corresponds to a research-supported principle. The table also states what each piece of evidence does not show, because a buyer should hear that from the provider.

From program element to evidence
ElementPrincipleSupporting evidenceLimit
AssessFeedback informs inquiry; it does not produce change alone.Small average gains after 360 feedback; gains more likely with goals and action. [3]Assessment scores are descriptive, not proof of change.
FocusOwnership and autonomous motivation.192-study meta-analysis links need support and autonomous motivation to adaptive outcomes. [9]Largely associational.
CoachA strong, safe working relationship.Alliance and outcomes r = .41 across 27 samples. [10]Correlational. Credentials were not shown to change this.
PracticeSpecific if-then plans, rehearsed.642 tests, d = .27 to .66; larger for if-then, motivated and rehearsed plans. [11]Mostly outside leadership settings.
MeasureMonitor progress over time.138 randomized experiments; recording progress strengthened effects. [12]Mostly non-leadership goals.

Two further findings keep the design honest. Skilled coaching matters more than coaching frequency: in a field study of 1,246 sales representatives, frequent coaching by managers with low coaching skill was associated with worse goal attainment. [13] And leadership training works better with needs analysis, feedback, practice and spaced sessions. [5] Work context matters throughout, because a leader can learn a stronger behavior and still face conflicting incentives. [14]

A connected experience is a reasonable design response to a real problem. Whether it outperforms alternatives is a question for direct evaluation.

Claim 4Value can be tested in the organization’s own data

Published research has documented financial value in particular settings. The best-known coaching ROI case study reported an estimated 689% return after conservative adjustments, and it is a single-organization estimate. [15] Reviews caution that retrospective ratings and provider involvement limit confidence in such figures. [16]

White Paper 02 gives a method that does not depend on those numbers. In a hypothetical six-month program costing $60,000, with $200,000 in Finance-verified avoided cost and a 50% contribution assumption, ROI is 66.7%. At 25% it is −16.7%, and at 75% it is 150%. The range is the point: a CFO can see how sensitive the case is to the attribution assumption before committing.

A suggested pilot outline

Illustrative outline, not a P4S offer or price.

Pilot outline
StepWhat to decideOwner
1. OutcomeOne business outcome and the leadership behavior linked to it (for example, handoff delay and clarity of decisions).CEO or COO
2. BaselineA baseline period that represents normal operations, the data owner and the cost scope.CFO and CHRO
3. ComparisonA staggered rollout so a similar group can serve as a comparison.CHRO
4. ReviewAn agreed review window, repeat measures and group-level reporting only.CHRO and Finance
5. DecisionVerified benefit, contribution assumption, fully loaded cost and a renew, adjust or stop decision.CFO and CEO

BoundariesWhat the evidence supports and what it does not

Evidence boundaries
The evidence supportsThe evidence does not show
Coaching has positive average effects in randomized and controlled studies.A specific effect size or return for any one program.
Design features such as practice, feedback, alliance and ownership matter.That the complete POSITION methodology, platform or assessments are validated by these studies.
Financial value has been documented in some settings.A universal ROI, or a P4S forecast.
Skilled coaching can relate to objective outcomes such as sales goal attainment.That any credential category guarantees larger effects.

Stating these limits is part of the case. A finance partner trusts a provider that sets them out, and the pilot above is how the open questions get answered with the organization’s own data.

Decision guideWhat each executive decides

By role
RoleThe decisionRead first
CEOWhich leadership behavior is worth developing to move an execution priority.White Paper 01
COOWhich workflow measure should move if leadership practice changes.White Paper 02, section 1
CHRO, VP HR, HR directorHow to design for ownership, trust and practice, and what remains private.White Paper 03
CFOWhat to verify, how to attribute, and when the investment pays back.White Paper 02, section 3

Frequently asked questions

Is investing in leadership development worth it?

It can be, when the program is designed and evaluated well. Gallup links manager quality to a large share of the variation in team engagement, and estimates the cost of low engagement at about $10 trillion globally. [4, 1] Meta-analyses find positive average effects for coaching and leadership training. [2, 5] Research does not guarantee a return for any single program, so the decision should rest on a defined outcome and a plan to measure it.

What does the evidence say about the type of coaching Positioned4Success offers?

The research supports its main principles: professional coaching, leader ownership of priorities, a strong coach relationship, specific practice plans, progress monitoring and attention to work context. It does not independently validate the complete POSITION methodology, the platform or the proprietary assessments, and the cited studies are not P4S customer results. Direct program evaluation is the next source of evidence.

What should a CFO require before approving a leadership development investment?

A named business outcome, a recorded baseline, a fully loaded cost, benefits that Finance verifies, an explicit contribution assumption and, where practical, a comparison group. White Paper 02 sets out the method and a sensitivity calculator.

Can the organization see progress without reading private coaching conversations?

Yes. Sponsors can evaluate participation, authorized development indicators and group-level business outcomes without access to private coaching content. Positioned4Success reports aggregates for groups of five or more.

Design a pilot with your leadership team

In 30 minutes, see how Positioned4Success could work for your leaders and how an evaluation with Finance could be set up.

References and evidence notes

  1. Gallup. (2026). State of the Global Workplace 2026. www.gallup.com/workplace/349484/state-of-the-global-workplace.aspx
  2. de Haan, E., & Nilsson, V. O. (2023). What can we know about the effectiveness of coaching? A meta-analysis based only on randomized controlled trials. Academy of Management Learning & Education, 22(4). doi.org/10.5465/amle.2022.0107
  3. Smither, J. W., London, M., & Reilly, R. R. (2005). Does performance improve following multisource feedback? A theoretical model, meta-analysis, and review of empirical findings. Personnel Psychology, 58(1), 33-66. doi.org/10.1111/j.1744-6570.2005.514_1.x
  4. Gallup. (2015, April 21). Managers account for at least 70% of the variance in employee engagement scores across business units, citing State of the American Manager: Analytics and Advice for Leaders. Gallup Business Journal. news.gallup.com/businessjournal/182792/managers-account-variance-employee-engagement.aspx
  5. Lacerenza, C. N., Reyes, D. L., Marlow, S. L., Joseph, D. L., & Salas, E. (2017). Leadership training design, delivery, and implementation: A meta-analysis. Journal of Applied Psychology, 102(12), 1686-1718. doi.org/10.1037/apl0000241
  6. Theeboom, T., Beersma, B., & van Vianen, A. E. M. (2014). Does coaching work? A meta-analysis on the effects of coaching on individual level outcomes in an organizational context. The Journal of Positive Psychology, 9(1), 1-18. doi.org/10.1080/17439760.2013.837499
  7. Jones, R. J., Woods, S. A., & Guillaume, Y. R. F. (2016). The effectiveness of workplace coaching: A meta-analysis of learning and performance outcomes from coaching. Journal of Occupational and Organizational Psychology, 89(2), 249-277. doi.org/10.1111/joop.12119
  8. Nicolau, A., Candel, O. S., Constantin, T., & Kleingeld, A. (2023). The effects of executive coaching on behaviors, attitudes, and personal characteristics: A meta-analysis of randomized control trial studies. Frontiers in Psychology, 14, 1089797. doi.org/10.3389/fpsyg.2023.1089797
  9. Hagger, M. S., & McAnally Star, K. (2026). Self-determination theory and workplace outcomes: A meta-analysis. Stress and Health, 42(1), e70151. doi.org/10.1002/smi.70151
  10. Graßmann, C., Schölmerich, F., & Schermuly, C. C. (2020). The relationship between working alliance and client outcomes in coaching: A meta-analysis. Human Relations, 73(1), 35-58. doi.org/10.1177/0018726718819725
  11. Sheeran, P., Listrom, O., & Gollwitzer, P. M. (2025). The when and how of planning: Meta-analysis of the scope and components of implementation intentions in 642 tests. European Review of Social Psychology, 36(1). doi.org/10.1080/10463283.2024.2334563
  12. Harkin, B., Webb, T. L., Chang, B. P. I., Prestwich, A., Conner, M., Kellar, I., Benn, Y., & Sheeran, P. (2016). Does monitoring goal progress promote goal attainment? A meta-analysis of the experimental evidence. Psychological Bulletin, 142(2), 198-229. doi.org/10.1037/bul0000025
  13. Dahling, J. J., Taylor, S. R., Chau, S. L., & Dwight, S. A. (2016). Does coaching matter? A multilevel model linking managerial coaching skill and frequency to sales goal attainment. Personnel Psychology, 69(4), 863-894. doi.org/10.1111/peps.12123
  14. Bakker, A. B., Demerouti, E., & Sanz-Vergel, A. (2023). Job demands-resources theory: Ten years later. Annual Review of Organizational Psychology and Organizational Behavior, 10, 25-53. doi.org/10.1146/annurev-orgpsych-120920-053933
  15. Parker-Wilkins, V. (2006). Business impact of executive coaching: Demonstrating monetary value. Industrial and Commercial Training, 38(3), 122-127. doi.org/10.1108/00197850610659373
  16. De Meuse, K. P., Dai, G., & Lee, R. J. (2009). Evaluating the effectiveness of executive coaching: Beyond ROI? Coaching: An International Journal of Theory, Research and Practice, 2(2), 117-134. doi.org/10.1080/17521880902882413

Publication note. Prepared by POSITION Consultants, LLC, the provider of POSITION and Positioned4Success. This targeted narrative synthesis combines recent research with foundational literature. Study-specific limitations are discussed with the findings they qualify. The pilot outline and application scenarios are illustrative. Published study findings are identified separately and are not P4S customer results. Public research remains attributable to its respective authors. © 2026 POSITION Consultants, LLC. All rights reserved.